Utility service trailer



FIG. 1 is a perspective view of our new design for a utility service trailer;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view of FIG. 1;

FIG. 4 is a top plan view of FIG. 1;

FIG. 5 is a bottom plan view of FIG. 1;

FIG. 6 is a front elevational view of FIG. 1; and,

FIG. 7 is a back elevational view of FIG. 1.

The broken lines shown are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a utility service trailer, as shown and described. 